3 Way Circuit Wiring. For example, here the black wire feeds a receptacle circuit, while the. Use these step-by-step instructions to install a three-way switch and wire a circuit.
Choose which configuration you want to follow by looking at the diagrams provided The black wire is "hot" at all times unless the entire circuit is turned off at the circuit breaker panel. Three-way switches allow for controlling a light fixture from two separate locations, these are usually used at the top and bottom of a flight of stairs or at two different entrances to a room. Follow Dominick as he shows you step by step how to get it right.
Follow Dominick as he shows you step by step how to get it right.
Three-way switches are always used in pairs and include special wiring connections.
In the first position, the contacts are connected straight. The red wire in the cable is known as the traveler, and it connects to the black terminal screws on the pair of switches. A note about wire colors: The National Electric.